2-(2-HYDROXYPHENYL)BENZOTHIAZOLE
o-(2-Benzothiazolyl)phenol
CAS: 3411-95-8
Molecular Formula: C13H9NOS
2-(2-HYDROXYPHENYL)BENZOTHIAZOLE - Names and Identifiers
| Name | o-(2-Benzothiazolyl)phenol |
| Synonyms | TIMTEC-BB SBB005787 2-(2-benzothiazolyl)-pheno o-(2-Benzothiazolyl)phenol 2-(2-BENZOTHIAZOLYL)PHENOL O-(2-BENZOTHIAZOLYL)PHENOL 2-(BENZO[D]THIAZOL-2-YL)PHENOL 2-(1,3-Benzothiazol-2-yl)phenol 2-(2-HYDROXYPHENYL)BENZOTHIAZOLE 2-(O-HYDROXYPHENYL)BENZOTHIAZOLE 2-(2-Hydroxyphenyl)benzothiazole |
| CAS | 3411-95-8 |
| EINECS | 222-299-9 |
| InChI | InChI=1/C13H9NOS/c15-11-7-3-1-5-9(11)13-14-10-6-2-4-8-12(10)16-13/h1-8,15H |
2-(2-HYDROXYPHENYL)BENZOTHIAZOLE - Physico-chemical Properties
| Molecular Formula | C13H9NOS |
| Molar Mass | 227.28 |
| Density | 1.2168 (rough estimate) |
| Melting Point | 128-132 °C (lit.) |
| Boling Point | 175-193 °C |
| Flash Point | 197.034°C |
| Solubility | Solubility Insoluble in water; soluble in ethanol |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Solid |
| Color | White to Light yellow |
| BRN | 173026 |
| pKa | 8.21(at 25℃) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.6800 (estimate) |
| MDL | MFCD00022869 |
2-(2-HYDROXYPHENYL)BENZOTHIAZOLE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | SJ7360000 |
| TSCA | Yes |
| HS Code | 29342000 |
| Hazard Note | Irritant |
2-(2-HYDROXYPHENYL)BENZOTHIAZOLE - Reference Information
| pH indicator color change ph range | Non0 uorescence (<9.3) to blue-green 0 uorescence (9.3) |
| main applications | Organic light emitting devices, electroluminescent devices, laser dyes, photography, plastic scintillation applications, herbicides, eyeglass lenses, cosmetics |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | 2-(2-hydroxyphenyl) benzothiazole and other fluorescent substances as OLED luminescent materials have been deeply studied by chemists all over the world. 2-(2-hydroxyphenyl) benzothiazole (2-(2-hydroxyphenyl) benzothiazole) produces a strong fluorescence phenomenon, mainly the hydroxyl group and the lone pair of electrons on N form hydrogen bonds, so that the entire molecule forms a stable planar structure. The five-membered heterocyclic ring and the six-membered hybridization formed by hydrogen bonds form a chromophoric group that is easy to flow of electrons, and is irradiated by ultraviolet light, absorb energy, resulting in electronic transition, resulting in a strong fluorescence effect. |
| Uses | 2-(2-hydroxyphenyl) benzothiazole and other fluorescent substances as OLED luminescent materials have been deeply studied by chemists all over the world. 2-(2-hydroxyphenyl) benzothiazole is mainly used as a luminescent material. |
| Preparation | Robert G Charles, etc. uses salicylamide and o-aminophenyl mercaptan as starting materials, and reacts at 220 ℃ in an oil bath for 4~5 h, and then undergoes vacuum distillation, recrystallization purification, drying and other steps to obtain the final product 2-(2-hydroxyphenyl) benzothiazole, the yield 72% [1], the reaction is shown in Figure 1. The synthetic route does not need to add solvents, and the operation is fast, but the raw material of the reaction is more toxic, and the reaction temperature is higher, so protective measures must be taken during the operation. Fig. 1 synthetic route 1 |
Last Update：2024-04-09 02:00:08
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View History
2-(2-HYDROXYPHENYL)BENZOTHIAZOLE
8-溴咪唑并[1,2-a]吡啶-6-羧酸甲酯
2-hydroxypropyl (R)-12-hydroxyoleate
7-azoniabicyclo[2.2.1]heptane chloride
1H-Imidazole-4-acetic acid, hydrazide (9CI)
Oroxylin A-7-O-beta-D-glucuronide
2-甲氧基-3-哌啶甲醛
N,N-二甲基-2 - 羟基-3 - 甲氧基-5 - 硝基苄基胺
1-([(3-FLUOROPHENYL)SULFONYL]AMINO)CYCLOHEXANECARBOXYLIC ACID
Coumestrol dimethylether
8-溴咪唑并[1,2-a]吡啶-6-羧酸甲酯
2-hydroxypropyl (R)-12-hydroxyoleate
7-azoniabicyclo[2.2.1]heptane chloride
1H-Imidazole-4-acetic acid, hydrazide (9CI)
Oroxylin A-7-O-beta-D-glucuronide
2-甲氧基-3-哌啶甲醛
N,N-二甲基-2 - 羟基-3 - 甲氧基-5 - 硝基苄基胺
1-([(3-FLUOROPHENYL)SULFONYL]AMINO)CYCLOHEXANECARBOXYLIC ACID
Coumestrol dimethylether